Dental caries is considered a multifactorial disease

Which of the following statements about slide valves is MOST accurate?

A. Slide valves permit water to flow without creating turbulence. B. Slide valves use an exterior barrel guided by a screw and sliding along an interior barrel. C. Slide valves control both the flow of water and the discharge pattern of the fire stream. D. Slide valves use a ball with a smooth waterway that rotates 90 degrees to control the flow of water.

Using the CPT manual, select the appropriate code for the following procedure

Otoplasty with size reduction